METHOD AND APPARATUS FOR REPULSION HEIGHT

摘要

The present invention relates to a method and a device for measuring the repulsion height of a ball using repulsion velocity from the ground and can automatically determine whether the ball is suitable or not through the measurement of a repulsion height. The method for measuring a repulsion height includes a steps of falling an object, a step of calculating time for passing a detection surface, and a step of calculating the repulsion height of the object. [Reference numerals] (AA) Voltage; (BB) Time